Home / 691,761.03-954,631.51-385,857.20

Finding the Fourth Proportional to 691,761.03, 954,631.51 and 385,857.20

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Solution

The fourth proportional to 691,761.03, 954,631.51 and 385,857.20 is: 532,483.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,761.03 : 954,631.51 = 385,857.20 : x
  2. Step 2: Convert to fraction form
    691,761.03/954,631.51 = 385,857.20/x
  3. Step 3: Cross multiply
    691,761.03x = 954,631.51 × 385,857.20
  4. Step 4: Simplify right side
    691,761.03x = 368,351,442,902.31
  5. Step 5: Solve for x
    x = 368,351,442,902.31/691,761.03
  6. Step 6: Final answer
    x = 532,483.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.